Answer: a"pool guy" friend told me we needed to change the sand every 5 years. Pool operators at the church change every couple of years and there's no written record but we think the sand's been in service between 15-30 years.
Re: Filter sand: A gritty question
Answer: a"pool guy" friend told me we needed to change the sand every 5 years. Pool operators at the church change every couple of years and there's no written record but we think the sand's been in service between 15-30 years.
20x40 IG gunite free form, approx. 27K gal, 60sq DE filter, Jandy Stealth 2hp 2speed pump, Polaris 380, SWCG
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